<!--
 * @Author: your name
 * @Date: 2021-08-12 11:18:49
 * @LastEditTime: 2021-08-12 11:31:08
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: \练习\buju.html
-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>布局</title>
    <style>
        .one{
            cursor: pointer;
        }
        .two{
            background-color: aquamarine;
            visibility: hidden;
        }
        .three{
            background-color: blue;
            opacity: 0.3;
            display: none;
        }
        .four{
            display: inline-block;
        }
    </style>
</head>
<body>
    <div class="one">hello world</div>
    <div class="two">dfweifenifne</div>
    <div class="three">3333333333</div>
    <div class="four">4444444</div>
    <div class="five">
        <span>one</span>
        <span>two</span>
        <span>three</span>
        <span>four</span>
    </div>
</body>
</html>